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Question
A truck covers distance of 256 km. at the speed of 32 kms./hr. What is the average speed of a car which travels a distance of   160 kms. more than the truck in the same time?
Options:
A .  46 kmph
B .  52 kmph
C .  49 kmph
D .  64 kmph
E .  None of these
Answer: Option B


Time taken by truck = Distance/Speed  = 256/32  =  8 hours

Distance covered by car in 8 hours = 256 + 160 = 416 km

Average speed of car = 416/8 = 52 kmph



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